.login-content-form {
    .login-title {
      margin-bottom: 50px;
      font-size: 27px;
      text-align: center;
      letter-spacing: 3px;
      color: var(--el-text-color-primary);
      position: relative;
    }
    @for $i from 1 through 4 {
      .login-animation#{$i} {
        opacity: 0;
        animation-name: error-num;
        animation-duration: 0.5s;
        animation-fill-mode: forwards;
        animation-delay: calc($i/10) + s;
      }
    }
    .login-content-code {
      width: 100%;
      padding: 0;
      font-weight: bold;
      letter-spacing: 5px;
    }
    .login-content-submit {
      width: 100%;
      letter-spacing: 2px;
      font-weight: 300;
      margin-top: 15px;
    }
  
    .f12 {
      font-size: 12px;
    }
}